搜索 - 科创

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虫子的氧气摄入方式决定了体积太大的个体无法在氧气稀薄的环境中生存，即使真的出现了猫一样大的虫子，也肯定养不活，所以富氧环境还是必须的。

回楼主节能灯里的磁环是万万不可以用做GDT的，因为这东西超级容易饱和，节能灯的半桥就是靠这个磁环实现翻转震荡的推荐楼主试试EE19做的GDT，很好用

做雅各布天梯啊。我见过售价￥1000的科普展品雅各布天梯，拆开后里面就是一个80W的霓虹灯变压器……这东西我手头有3个60W的，一新二旧，谁要可以留言

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